598739 has 4 divisors (see below), whose sum is σ = 604656. Its totient is φ = 592824.

The previous prime is 598729. The next prime is 598777. The reversal of 598739 is 937895.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-598739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 598696 and 598705.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 598739.

It is not an unprimeable number, because it can be changed into a prime (598729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2804 + ... + 3009.

It is an arithmetic number, because the mean of its divisors is an integer number (151164).

2⁵⁹⁸⁷³⁹ is an apocalyptic number.

598739 is a deficient number, since it is larger than the sum of its proper divisors (5917).

598739 is a wasteful number, since it uses less digits than its factorization.

598739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5916.

The product of its digits is 68040, while the sum is 41.

The square root of 598739 is about 773.7822691171. The cubic root of 598739 is about 84.2841379440.

The spelling of 598739 in words is "five hundred ninety-eight thousand, seven hundred thirty-nine".